题目内容

______ of danger on the road at night ,the girl had to go home with a friend _______ her


  1. A.
    Being warned; accompanied
  2. B.
    Having warned; accompanying
  3. C.
    Warning; accompanying
  4. D.
    Having been warned; accompanying
D
试题分析:考察非谓语动词。本题主句的主语the girl与动词warn构成被动关系,且warn的动作是在谓语动词之前就完成的。故使用having been done的结构在句中作状语。要特别注意having been done和过去分词done在做状语的时候,是可以互换使用的。第二空考察了with复合结构“with+宾语+宾语补足语”,a friend与动词accompany构成主动关系,故使用现在分词短语作为宾语补足语。句意:已经被警告晚上行路的危险,这个女孩不得不让一个朋友陪她回家。故D正确。
考点:考察非谓语动词
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阅读理解

  Radioactivity is dangerous. It may cause skin burns; it may destroy good tissues (组织) and it may cause illness that could be passed on to our children and grandchildren, In case of exposure (暴露) it may even cause death.

  In the early days of radioactivity, scientists did not realize these dangers, Marie and Pierre Curie, after having worked for a while with radioactive materials, noticed that their fingers were reddened and swollen (红肿) and the skin was peeling off. Henry Becquered carried a small tube with radium in it in his waistcoat pocket, and was surprised to find a burn on his chest. Other early workers also reported burns and harm of different kinds.

  The strange fact that it can harm without causing pain is the warning signal we expect from harmfulness. Pain makes up pull back our hands from a fire or a hot object, but a person carrying radioactive materials had no way of telling whether he is touching something too “hot” for safety. Besides, the “burns” or other harmfulness that radioactivity produces may not appear for weeks. A person may have been hurt without knowing it for some time .

1.Which is the topic sentence?

[  ]

A.Radioactivity May Even Cause Death.

B.Radioactivity Does Great Harm to Children.

C.Radioactivity May Do Harm to People without Being Known.

D.Radioactivity is Dangerous.

2.A few people were mentioned in the passage .They ________.

[  ]

A.were all famous scientists of great achievements

B.died of radioactivity

C.knew little about radioactivity

D.did experiments on themselves to find the danger of radioactivity

3.According to the point of the passage , pain ________.

[  ]

A.causes people to die
B.brings people suffering
C.is an important signal
D.is very much expected

4.The latter part of the passage is mainly written about ________.

[  ]

A.the danger to be with the radioactive materials

B.how scientists are selflessly devoted to science, in face of danger

C.the danger of radioactivity lies mainly in its being unseen and unknown for a time

D.burns and harm of all kinds that may dangerously happen around us

5.The sentence in the fourth line of the second paragraph, “the skin was peeling off” means “the skin was ________”.

[  ]

A.coming off
B.turning off
C.breaking away
D.fleeing

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